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Finding the Third Proportional to 245,419 and 360,048

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Solution

The third proportional to 245,419 and 360,048 is: 528,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,419 : 360,048 = 360,048 : x
  2. Step 2: Convert to fraction form
    245,419/360,048 = 360,048/x
  3. Step 3: Cross multiply
    245,419x = 360,048 × 360,048
  4. Step 4: Simplify right side
    245,419x = 129,634,562,304
  5. Step 5: Solve for x
    x = 129,634,562,304/245,419
  6. Step 6: Final answer
    x = 528,217.30

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.